By Ann Jadin
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In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.
In this animated and interactive object, learners identify the valves and chambers of the heart.
In this animated and interactive object, learners examine how blood flows through the heart and lungs. A brief quiz completes the activity.
Answer these questions to show off your knowledge of the heart!
Can you answer these questions on respiration and blood flow?
Respiration Trivia - test your knowledge.